Correct conversion of char[] to System::String

Question

.NET

const int len=117;
char str[len];
memcpy(str,somechararray,len);
System::String^ clistr = gcnew System::String(str);

Random characters appear in the clistr string after the text from somechararray.
What is the correct way to convert a fixed-length string to System::String without squiggles at the end of the string?

Answer 1

char str[len + 1];
memcpy(str,somechararray,len);
str[len] = 0;

This is if you really want to copy the substring.
In general, String has a constructor that takes a pointer, position, and length. Why don't you just write like this:

System::String^ clistr = gcnew System::String(somechararray, 0, len);